SKU: 8896565541

Works Bell Rapfix Racing Quick Release Adapter (Weld Type)

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Description

Works Bell Rapfix Racing Quick Release Adapter (Weld Type)Works Bell is Japan's premier interior performance company, well known for their Rapfix series of quick releases. The Rapfix Racing uses a patented ball locking design which will not come off during driving but allows for quick and easy removal. No play whatsoever, this is the ORIGINAL! The piece is a cold forged aluminum body, which is track tested and proven by the top Japanese race drivers. Makes it easier to get in and out of your car, and also

Works Bell is Japan's premier interior performance company, well known for their Rapfix series of quick releases. The Rapfix Racing uses a patented ball locking design which will not come off during driving but allows for quick and easy removal. No play whatsoever, this is the ORIGINAL! The piece is a cold forged aluminum body, which is track tested and proven by the top Japanese race drivers. Makes it easier to get in and out of your car, and also provides added security when parked.

This quick release will only bolt to 3 bolt patterned wheels and welded on hub shafts. This is NOT a hub, welding is required in order to use this. This is meant for race applications and experienced experts only.

The height is 2.5" tall, so in some cases it may place the wheel to close to the driver. In cases as such, you may consider calculating distance before welding from the distance between the driver and steering wheel.

Mechanics
Eight holes grooved in the plug side match the delicate steel balls used in the bearing. This provides a firm lock for both radial and lateral movement. The steel balls are released into the Â"free” position when the sleeve is pulled, then the socket can be detached from the plug. The sleeve section, once pulled, is locked. Once remounted onto the plug section, the sleeve automatically locks back into position.

Characteristics
When reattaching a separated Rapfix unit back onto it's hub, the position of the wheel does not matter due to the fact that the Rapfix will only lock back into place in the same position in which it was disconnected. Other quick release mechanisms require the wheel to be positioned in a specific location before reattaching the wheel. Furthermore, Works Bell's unique technology ensures that there is no shakiness or play because the steel balls keep constant and consistent pressure on the plug at any time. Therefore, it plays a big part in the driver's severe steering wheel operation. In addition, in order to establish the reliability of Rapfix Racing in a race, a new mechanics, Cam Lock, whick certainly locks the radial loads by combining the plug and the socket, is adopted. Therefore, security is guaranteed by putting the Cam Lock System together with the Ball Lock System.

Specifications
It is developed especially for formula cars. Chromium molybdenum steel SCM435 is used for the plug in order to weld the steering shaft easily; SUS420 is used for the liner in order to realize the lightweight and high-strength of sleeve. Moreover, the socket made byextra super-duralumin (A7075T6) and special plating fulfills the endurance. Assuming the hard use of the plug top, protective cap is installed. It is possible to change the damage protective cap to a new one.

Strength
Rapfix Racing cleared the NAPAC standard (a standard for after market products in Japan). A screwing test was done to check the operation of steering wheel to radial power. There was not any change in the shape after being pounded by dead loads of 29.7kg.m (291N.m). Moreover, there was not any change in the shape after a bending test of dead loads of 19.8kg.m (194N.m) in order to examine the effect when a driver impacts the steering wheel in an accident.

According to the results of these tests, although the bending test and screwing test based on regulation loads caused the permanent transformation and the shakiness increased, the product is still possible to be detached and attached and it is not broken. Therefore, these tests prove that the steering wheel can still be operated when large loads act. According to these results, Rapfix Racing has the same or more strength than the spline style Quick Release Hub of other companies.

Works Bell has also tested that how much can be released when the plug and socket are pulled strongly. They were not destroyed by 3754kg(36.8KN). The test was ended when the bolt, which is fixed to the steering wheel, was destroyed. The quick release function can be still operated. Therefore, it is confirmed that Rapfix Racing could endure the pull power of 68G because the standard weight of a driver according to Japan Safety Standard is 55kg. We did 10,000 times repeated attachment and detachment tests for testing the endurance. We proved that there is no broken and it is still possible to drive, attach and detach, although the shakiness increased.

OPTIONAL: If you would like to use a standard 6 hole PCD for the quick release, Works Bell offers an adapter which will allow you to use any Sparco, Momo, Personal, Nardi or same P.C.D. steering wheel. Select the option above if desired.

Electric Contact Kit: Used for weld type only. 12 electric contacts can be added for weld type by installing this kit. The contact part can be released together with the steering wheel.

NOTE: Torque spec is 30N - m (23 ft/lbs)

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 8896565541

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4.5 ★★★★★
Based on 13 reviews
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C
Verified Purchase
CE
Omaha, US
★★★★★ 5
Good quality
Size: 3 Pack, Color: Optic Yellow
These are really good quality. The color is easy to see on the outdoor court, especially when the sun is bright. Definitely has good bounce to them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
T
Verified Purchase
Trevor & Tiffany G
Phoenix, US
★★★★★ 5
Franklin X-40 vs. Dura Fast 40 (vs. Onix)
Size: 12 Pack, Color: Optic Yellow, Size: 12 Pack, Color: Optic Yellow
Review order: Review summary (quick read) Review update (4-13-2021) Full review (long read) Summary: This review might save you a lot of time researching balls, but here's the summary if you don't want to read the full review... For 4.0+ play consider the Dura Fast 40 when preparing for certain tournaments, but expect only about 2 games per ball, which is quite annoying in my opinion... for 95% of players, definitely go with the Franklin X-40 (except when preparing for a Dura only tournament of course). If you just want the ball to last and last year after year and don't care at all about egging or quality of play consider the much softer and much slower and much bouncier Onix ball. The Onix ball is so soft that I can't recommend it for typical play, but it is actually an excellent choice when introducing new players to the game and it is often the preferred ball in 65+ play if mobility becomes a common issue because extra bounce = extra time to get there, but in my area many older players seem to play the X-40 just fine. * * * * * * * * * * * * * * * * * * * * * * * * Update: 4-13-2021: Popularity: Almost everyone in my area is playing the Franklin X-40 in every park. I finally saw a Dura in play yesterday, but it's been a long time! Outdoor tournaments in my state are now about 60% X-40 and about 40% Dura (Washington), so even in tournament play the Dura seems to be going out pretty quick. Seasonal durability of X-40: for the first year I don't think my group cracked a single X-40 (despite having a faster paced game), but using that same batch of balls this Spring, they've all been dropping like flies so now my 1 year old batch of X-40's probably isn't much more durable than brand new Dura's (very annoying to deal with those cracks). I just bought new X-40's yesterday and I'll be discarding the few X-40's that are left from last year when the new stock arrives. It will be new X-40's for me once a year from now on assuming quality doesn't slide... fresh manufacturing is apparently very important, so hopefully Franklin will keep their runs moderate, and maybe that's what Dura did wrong.(?) * * * * * * * * * * * * * * * * * * * * * * * * Full review: This review will focus largely on the physical & quality comparisons between the Franklin Outdoor X-40 pickleball and the Dura Fast 40 pickleball, but I'll also give a summary of my impressions from the mouth of experts and supplement also by my own amateur impressions and measurements. Dura hole specs: 16 drilled holes @ 0.325" & 24 drilled holes @ .264" Franklin hole specs: 40 drilled holes @ 0.288" Both balls have 40 holes with an average hole size of 0.288", but the Dura ball has a far more randomized hole pattern. I personally didn't notice any difference in spin characteristics or any notable advantage to the randomized hole pattern of the Dura. Franklin weight: 26g Dura weight: 25g Both balls are rotationally molded in one continuous piece so the seam is just as strong as the rest of the ball on either ball... the appearance of a seam is on the outside of the ball only but the visual molding mark is not actually separated in any way in the middle of the ball and the inside of the ball will likewise appear 100% seamless on either ball, so no true seam exists (both balls are true "1-piece" balls). The Dura ball has much smoother molding marks w/ no plastic flashing like the Franklin... this is primarily cosmetic but quality in this regard definitely goes to the Dura. Subjective color preference: in the shade I think the Dura "Neon" color looks better (see pic), but in typical full sun the green tint looks dingy on the Dura ball in my opinion, and I feel the Franklin "Optic Yellow" is a crisper color that's probably a little more visible. These are the only 2 ball colors I have to compare. I would prefer more dye to be used for a green ball so it still looks green in full sun because in my experience with disc golf and ball golf neon green is the most visible color and neon pink is good too... with these 2 options I'd pick the yellow... the green tint on the Dura is so subtle in full sun it ends up looking more like a dingy yellow rather than a green. A more apples to apples comparison would be Dura's yellow option but I'm pretty confident Franklin would win that contest also based on the notably higher translucency in the plastic used by Dura. Color: Franklin wins. Franklin X-40 country of origin: China Dura Fast 40 country of origin: Vietnam - - EXPERT INSPIRED IMPRESSIONS - - From what I've gathered, expect much longer play per dollar out of the Franklin and expect very little life out of the Dura. Dura's are supposed to be a little harder/better/faster, but they often only last a few games based on everything I've read and heard. For older players consider the Onix over either of these balls... softer balls bounce higher and hit slower which allows more time to get to the ball for longer rallies... the Onix seems to be the favorite for play in older aged groups. Based on expert advise from the "pickleball kitchen" youtube channel... Best performance award (fastest, hardest): Dura Fast 40 Best Value (also w/ great performance): Franklin Outdoor X-40 - - - except high level players should opt for the Dura due to tournament requirements (note: this observation may be outdated... check tournaments in your state to verify what local tournaments are still using the Dura in your area and which tournaments have switched to the X-40) Longest lasting, but soft and bouncy: Onix Note: I have not seen a single outdoor tournament publish the Onix as their ball. My personal recommendation for most players based on a lot of reviews and some research and a close look would be to skip the Dura and go straight to the Franklin X-40 until you're playing tournaments... if/when you advance to the level of playing serious tournament play I don't think it would take long to transition muscle memory and power from the Franklin outdoor ball to the Dura ball and a lot of money and annoyance can be saved w/ the Franklin over the very brittle Dura... Franklin X-40 balls don't last very long either (according to some... possibly old stock), but compared to the Dura it's a notable improvement strongly worth considering even if you're a quality buff like myself. Manufacturing quality: Dura wins Material durability: Franklin easily wins and Onix lasts much longer still if you don't mind a notably slower game (more similar to indoor) and more egging. Quality of play: Mixed... many elite players prefer the extra speed of the Dura, but I prefer the consistency of virtually everyone using the same ball and even more notably, I'd rather sacrifice just a little speed to get the higher consistency / predictability / reliability of an uncracked ball and I find it distracting to look for cracks all the time. Value (w/o sacrificing much): Franklin Despite the long read, I'm hoping this helps the reader save some time in selecting a pickleball, especially for players new to the game.
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Reviewed in the United States on August 15, 2020
S
Verified Purchase
Sean Bozarth
Alexandria, US
★★★★★ 5
Comfortable and Effective Ear Plugs for Swimming
Color: Multicolored 1, Size: 1 pair (Pack of 3)
I picked up these ear plugs for swimming and was pleasantly surprised by how well they work. They’re soft and flexible, so they fit comfortably without feeling like they’re digging into your ears, even during longer swim sessions. They do a great job keeping water out whether you’re in a pool or just showering, and they stay in place well without constantly needing adjustment. I also like that they’re reusable and easy to rinse off and store after use. Overall, this is a solid set of swim ear plugs that are comfortable, practical, and easy to use. A good choice if you spend a lot of time in the water and want something reliable.
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Reviewed in the United States on February 1, 2026
J
Verified Purchase
J D
Waukegan, US
★★★★★ 5
Good earplug. Will buy again.
Color: Multicolored 1, Size: 1 pair (Pack of 3)
These work better than another swimming earplug I tried on amazon. They stay in well, they completely block water from entering the ear canal and generally seem more firm and durable than the other pair. They are also cheaper. I have had the little tail pop out of my ear while swimming, but that hasn't been a problem other than I notice it. The earplug still stays in. Did multiple 2.4 mile swims in them including an Ironman race and they stayed in the whole time. I'm going to try the version with the goggles straps now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
D
Verified Purchase
Dania valle vina
Whiting, US
★★★★★ 5
Comfortable and easy to use
Color: Multicolored 1, Size: 1 pair (Pack of 3)
These ear plugs fit better than a lot of others I’ve tried and they stay in place while swimming. They’re soft enough to wear comfortably for longer periods without irritating my ears. I also like that they come with different sizes, which makes it easier to find the right fit. They block water well and the carrying case is convenient for keeping everything organized.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026

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